28 force_sig_info_fault(int si_signo, int si_code, unsigned long address)  in force_sig_info_fault()  argument
30 	force_sig_fault(si_signo, si_code, (void __user *)address);  in force_sig_info_fault()
120 static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)  in vmalloc_sync_one()  argument
122 	unsigned index = pgd_index(address);  in vmalloc_sync_one()
134 	p4d = p4d_offset(pgd, address);  in vmalloc_sync_one()
135 	p4d_k = p4d_offset(pgd_k, address);  in vmalloc_sync_one()
139 	pud = pud_offset(p4d, address);  in vmalloc_sync_one()
140 	pud_k = pud_offset(p4d_k, address);  in vmalloc_sync_one()
147 	pmd = pmd_offset(pud, address);  in vmalloc_sync_one()
148 	pmd_k = pmd_offset(pud_k, address);  in vmalloc_sync_one()
176 static noinline int vmalloc_fault(unsigned long address)  in vmalloc_fault()  argument
183 	if (!(address >= VMALLOC_START && address < __FAULT_ADDR_LIMIT))  in vmalloc_fault()
194 	pmd_k = vmalloc_sync_one(pgd_k, address);  in vmalloc_fault()
198 	pte_k = pte_offset_kernel(pmd_k, address);  in vmalloc_fault()
206 show_fault_oops(struct pt_regs *regs, unsigned long address)  in show_fault_oops()  argument
212 		 address < PAGE_SIZE ? "NULL pointer dereference"  in show_fault_oops()
214 		 address);  in show_fault_oops()
218 	show_pte(NULL, address);  in show_fault_oops()
223 	   unsigned long address)  in no_context()  argument
229 	if (handle_trapped_io(regs, address))  in no_context()
238 	show_fault_oops(regs, address);  in no_context()
245 		       unsigned long address, int si_code)  in __bad_area_nosemaphore()  argument
254 		force_sig_info_fault(SIGSEGV, si_code, address);  in __bad_area_nosemaphore()
259 	no_context(regs, error_code, address);  in __bad_area_nosemaphore()
264 		     unsigned long address)  in bad_area_nosemaphore()  argument
266 	__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);  in bad_area_nosemaphore()
271 	   unsigned long address, int si_code)  in __bad_area()  argument
281 	__bad_area_nosemaphore(regs, error_code, address, si_code);  in __bad_area()
285 bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in bad_area()  argument
287 	__bad_area(regs, error_code, address, SEGV_MAPERR);  in bad_area()
292 		      unsigned long address)  in bad_area_access_error()  argument
294 	__bad_area(regs, error_code, address, SEGV_ACCERR);  in bad_area_access_error()
298 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)  in do_sigbus()  argument
307 		no_context(regs, error_code, address);  in do_sigbus()
309 	force_sig_info_fault(SIGBUS, BUS_ADRERR, address);  in do_sigbus()
314 	       unsigned long address, vm_fault_t fault)  in mm_fault_error()  argument
322 			no_context(regs, error_code, address);  in mm_fault_error()
336 			no_context(regs, error_code, address);  in mm_fault_error()
348 			do_sigbus(regs, error_code, address);  in mm_fault_error()
350 			bad_area(regs, error_code, address);  in mm_fault_error()
379 static int fault_in_kernel_space(unsigned long address)  in fault_in_kernel_space()  argument
381 	return address >= TASK_SIZE;  in fault_in_kernel_space()
391 					unsigned long address)  in do_page_fault()  argument
413 	if (unlikely(fault_in_kernel_space(address))) {  in do_page_fault()
414 		if (vmalloc_fault(address) >= 0)  in do_page_fault()
419 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
430 	perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);  in do_page_fault()
437 		bad_area_nosemaphore(regs, error_code, address);  in do_page_fault()
444 	vma = find_vma(mm, address);  in do_page_fault()
446 		bad_area(regs, error_code, address);  in do_page_fault()
449 	if (likely(vma->vm_start <= address))  in do_page_fault()
452 		bad_area(regs, error_code, address);  in do_page_fault()
455 	if (unlikely(expand_stack(vma, address))) {  in do_page_fault()
456 		bad_area(regs, error_code, address);  in do_page_fault()
466 		bad_area_access_error(regs, error_code, address);  in do_page_fault()
482 	fault = handle_mm_fault(vma, address, flags, regs);  in do_page_fault()
485 		if (mm_fault_error(regs, error_code, address, fault))  in do_page_fault()